BOOL CompareString( LPCTSTR lpLeft, LPCTSTR lpRight, LPCTSTR sOpt, BOOL& bResult )
{
INT nRet = 0;
if(IsVersionString(lpLeft) && IsVersionString(lpRight))
{
LARGE_INTEGER llLeft, llRight;
llLeft = ParseVersion(lpLeft);
llRight = ParseVersion(lpRight);
nRet = CompareLargeInts(llLeft, llRight);
}
else
{
nRet = _tcsicmp(lpLeft, lpRight);
}
return EvalCompareResult(nRet, sOpt, bResult);
}
BOOL CompareVersion( const LARGE_INTEGER &v1, const LARGE_INTEGER &v2, LPCTSTR sOpt, BOOL &bResult )
{
INT nRet = CompareLargeInts(v1, v2);
return EvalCompareResult(nRet, sOpt, bResult);
}
//-----------------------------------------------------------------------------
// Name: GetDirectXVerionViaFileVersions()
// Desc: Tries to get the DirectX version by looking at DirectX file versions
//-----------------------------------------------------------------------------
HRESULT GetDirectXVerionViaFileVersions( DWORD* pdwDirectXVersionMajor,
DWORD* pdwDirectXVersionMinor,
TCHAR* pcDirectXVersionLetter )
{
ULARGE_INTEGER llFileVersion;
TCHAR szPath[512];
TCHAR szFile[512];
BOOL bFound = false;
if( GetSystemDirectory( szPath, MAX_PATH ) != 0 )
{
szPath[MAX_PATH-1]=0;
// Switch off the ddraw version
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\ddraw.dll") );
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
if( CompareLargeInts( llFileVersion, MakeInt64( 4, 2, 0, 95 ) ) >= 0 ) // Win9x version
{
// flle is >= DX1.0 version, so we must be at least DX1.0
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 1;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
if( CompareLargeInts( llFileVersion, MakeInt64( 4, 3, 0, 1096 ) ) >= 0 ) // Win9x version
{
// flle is is >= DX2.0 version, so we must DX2.0 or DX2.0a (no redist change)
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 2;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
if( CompareLargeInts( llFileVersion, MakeInt64( 4, 4, 0, 68 ) ) >= 0 ) // Win9x version
{
// flle is is >= DX3.0 version, so we must be at least DX3.0
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 3;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
}
// Switch off the d3drg8x.dll version
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\d3drg8x.dll") );
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
if( CompareLargeInts( llFileVersion, MakeInt64( 4, 4, 0, 70 ) ) >= 0 ) // Win9x version
{
// d3drg8x.dll is the DX3.0a version, so we must be DX3.0a or DX3.0b (no redist change)
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 3;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT('a');
bFound = true;
}
}
// Switch off the ddraw version
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\ddraw.dll") );
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
if( CompareLargeInts( llFileVersion, MakeInt64( 4, 5, 0, 155 ) ) >= 0 ) // Win9x version
{
// ddraw.dll is the DX5.0 version, so we must be DX5.0 or DX5.2 (no redist change)
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 5;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
if( CompareLargeInts( llFileVersion, MakeInt64( 4, 6, 0, 318 ) ) >= 0 ) // Win9x version
{
// ddraw.dll is the DX6.0 version, so we must be at least DX6.0
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 6;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
if( CompareLargeInts( llFileVersion, MakeInt64( 4, 6, 0, 436 ) ) >= 0 ) // Win9x version
{
// ddraw.dll is the DX6.1 version, so we must be at least DX6.1
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 6;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 1;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
}
// Switch off the dplayx.dll version
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\dplayx.dll") );
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
if( CompareLargeInts( llFileVersion, MakeInt64( 4, 6, 3, 518 ) ) >= 0 ) // Win9x version
{
// ddraw.dll is the DX6.1 version, so we must be at least DX6.1a
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 6;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 1;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT('a');
bFound = true;
}
}
// Switch off the ddraw version
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\ddraw.dll") );
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
if( CompareLargeInts( llFileVersion, MakeInt64( 4, 7, 0, 700 ) ) >= 0 ) // Win9x version
{
// TODO: find win2k version
// ddraw.dll is the DX7.0 version, so we must be at least DX7.0
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 7;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
}
// Switch off the dinput version
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\dinput.dll") );
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
if( CompareLargeInts( llFileVersion, MakeInt64( 4, 7, 0, 716 ) ) >= 0 ) // Win9x version
{
// ddraw.dll is the DX7.0 version, so we must be at least DX7.0a
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 7;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT('a');
bFound = true;
}
}
// Switch off the ddraw version
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\ddraw.dll") );
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
if( (HIWORD(llFileVersion.HighPart) == 4 && CompareLargeInts( llFileVersion, MakeInt64( 4, 8, 0, 400 ) ) >= 0) || // Win9x version
(HIWORD(llFileVersion.HighPart) == 5 && CompareLargeInts( llFileVersion, MakeInt64( 5, 1, 2258, 400 ) ) >= 0) ) // Win2k/WinXP version
{
// ddraw.dll is the DX8.0 version, so we must be at least DX8.0 or DX8.0a (no redist change)
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 8;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
}
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\d3d8.dll"));
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
if( (HIWORD(llFileVersion.HighPart) == 4 && CompareLargeInts( llFileVersion, MakeInt64( 4, 8, 1, 881 ) ) >= 0) || // Win9x version
(HIWORD(llFileVersion.HighPart) == 5 && CompareLargeInts( llFileVersion, MakeInt64( 5, 1, 2600, 881 ) ) >= 0) ) // Win2k/WinXP version
{
// d3d8.dll is the DX8.1 version, so we must be at least DX8.1
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 8;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 1;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
if( (HIWORD(llFileVersion.HighPart) == 4 && CompareLargeInts( llFileVersion, MakeInt64( 4, 8, 1, 901 ) ) >= 0) || // Win9x version
(HIWORD(llFileVersion.HighPart) == 5 && CompareLargeInts( llFileVersion, MakeInt64( 5, 1, 2600, 901 ) ) >= 0) ) // Win2k/WinXP version
{
// d3d8.dll is the DX8.1a version, so we must be at least DX8.1a
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 8;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 1;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT('a');
bFound = true;
}
}
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\mpg2splt.ax"));
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
if( CompareLargeInts( llFileVersion, MakeInt64( 6, 3, 1, 885 ) ) >= 0 ) // Win9x/Win2k/WinXP version
{
// quartz.dll is the DX8.1b version, so we must be at least DX8.1b
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 8;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 1;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT('b');
bFound = true;
}
}
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\dpnet.dll"));
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
if( (HIWORD(llFileVersion.HighPart) == 4 && CompareLargeInts( llFileVersion, MakeInt64( 4, 9, 0, 134 ) ) >= 0) || // Win9x version
(HIWORD(llFileVersion.HighPart) == 5 && CompareLargeInts( llFileVersion, MakeInt64( 5, 2, 3677, 134 ) ) >= 0) ) // Win2k/WinXP version
{
// dpnet.dll is the DX8.2 version, so we must be at least DX8.2
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 8;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 2;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
}
_tcscpy( szFile, szPath );
_tcscat( szFile, TEXT("\\d3d9.dll"));
if( SUCCEEDED( GetFileVersion( szFile, &llFileVersion ) ) )
{
// File exists, but be at least DX9
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 9;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
bFound = true;
}
}
if( !bFound )
{
// No DirectX installed
if( pdwDirectXVersionMajor ) *pdwDirectXVersionMajor = 0;
if( pdwDirectXVersionMinor ) *pdwDirectXVersionMinor = 0;
if( pcDirectXVersionLetter ) *pcDirectXVersionLetter = TEXT(' ');
}
return S_OK;
}
